[TowerTalk] Solvents

[J. Kincade]

Well put, Greg. Thanks for the thoughtful and technically knowledgeable
comments from a professional chemist. With replies on this subject all over
the map, I was beginning to feel badly for ever suggesting 1,1,1
Trichloroethane. I use it - but very carefully, and only when nothing else
will work. It's especially handy in the spray can for things such as
degunking right-angle gear assemblies, gear trains, and such in old radios.
It is such a good degreasing agent one must pay attention to relubing right
away for "rustable" metals. I nearly ruined the trigger/sear mechanism of my
favorite blackpowder rifle several years ago by not paying attention to
that! Back to towers...
73, Jerry W5KP

> By the way....   1, 1,
> 1 trichloroethane is an excellent degreaser and could very well be W9RE's
> answer to his original question.
> Trichloroethylene is also an excellent degreaser and is commonly used as
> dry-cleaning solvent.
> Both of these solvents were in a class that USED to be called "safety
> solvent" because of their low flammability.
> Either one of them can be used safely but reasonable care should be taken
> not to breathe the vapors or expose the chemical to the skin.  Will it
hurt
> you if you get a small amount on you ... not likely.  More than just
> incidental exposure will remove the natural oils from your skin and could
> result in a rash.  More than just incidental exposure should be avoided.
>
> Now can we get back to tower-talk subjects...    73 de Greg-N4CC



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